Pedro   who  is  on  top  of  a roof  of  a  high  building  drops  a  piece  of  metallic material.  A  second  piece of metallic material is  dropped    2.0   seconds  later.  How  far   apart  (k m) are  the  materials  when  the  second  material  has  reached  a  speed  of  15.0  m/s

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A: Average velocity is simply the ratio of the total displacement over time and the total given time.…

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Q: After being hit, a golf ball reaches a maximum height of 60m with speed of 20m/s. Right after being…

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Q: An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.00 s. It…

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Q: Two metal balls are the same size but one weighs twice as much as the other. The balls are dropped…

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Q: Two soccer players, Mia and Alice, are running as Alice passes the ball to Mia. Mia is running due…

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Q: An athlete has an intuitive knowledge, gained by experience, of the changing nature of a ball in…

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Q: A ball thrown upwards is held in the same place by the thrower 4 seconds later. What is the maximum…

A: Given : Total time (T) = 4 seconds g = 10 m/s2

Q: Why is the following situation impossible? Emily challenges David to catch a $1 bill as follows. She…

A: Every human being takes about 0.2 seconds to react on the event. So, David would catch the $ 1 bill…

Q: What is the boy's velocity for the time interval of 0 to 8 seconds? A. 8/7 B. 7/8 C. 8 D. 7

A: we know that, velocity =change in distance change in time

Q: A cyclist moves with a speed 2 m/s, then accelerates at 1.2 m/s2 after a distance 25 Then the final…

A: Correct option is (b) 8m/s

Q: A hot air balloon has just lifted off and is rising at a constant rate of 2.0 m/s. Suddenly one of…

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Q: A certain freely falling object, released from rest, requires 1.50 s to travel the last 30.0 m…

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Q: Two cyclists, Mike and Josh, simultaneously started toward each other from two towns d = 24 km…

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Q: x = 2t2 + 2t The position of an object at time t is given by the parametric equations y = 3t2 + 3 '…

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Q: If a ball is thrown directly upwards with 4.6 x the initial speed of another ball, what is the ratio…

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Q: As two trains move along a track, their conductors suddenly notice that they are headed toward each…

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Q: When the object is thrown upward the final velocity at the maximum height is equal to O initial…

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Q: If the velocity and acceleration of an object are in the opposite directions, O a. The speed of the…

A: As the direction of velocity is opposed by the direction of acceleration.

Q: ) Train A is moving with a constant velocity of 10 m/s toward Train B. Train B starts from rest and…

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Q: In the formula average velocity = (u + v) /2, u is the ___________. A) Final velocity B) Initial…

A: Explanation: Formula of average velocity is vav=initial velocity + final velocity2 where u is the…

Q: In an experiment two identical rocks are simultaneously thrown from the edge of a cliff a distance…

A: GIVEN Two identical rocks are simultaneously thrown from the edge of a cliff at a distance h0 above…

Q: The graph represent the position of ball, Find the position of it at t=0.4 6. 4 1 1 2 t time (s) 6 O…

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Q: In general, when is the velocity... (briefly describe)  A. > 0 Instantaneous Velocity: Average…

A: Instantaneous velocity is given by slope of displacement (x) - time(t) curve ,whereas average…

Q: Assume the velocity of the object is O when t = 0. For what other value of t is the velocity of the…

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Q: 1. Given velocities of two identical billiard balls just before impact, determine post- impact…

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Q: A particle starts at the origin (x = 0) and moves in one dimension. The figure shows the velocity of…

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Q: A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes…

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Q: Celeste won a​ 100-meter race with a time of 11.6​seconds, and Michelle came in second with a time…

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Q: Suppose that there are four identical balls dropped from a 10 inches bridge at the same time. The…

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Q: Three seconds after automobile B passes through the intersection shown, automobile A passes through…

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Q: Which expression correctly gives the total time the projectile spends in the air? t = _______ a)…

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Q: At the top of a cliff 68m high, Raoul throws a rock upward with a velocity 38 m/s. How much later…

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Q: A certain freely falling object, released from rest, requires 1.35 s to travel the last 27.0 m…

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Q: A projectile is to be launched at an angle of 30° so that it falls beyond the pond of length 20…

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Q: Consider two objects. The first one is thrown upward with an initial velocity of 60 m/s. The second…

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Q: Jack and Jill exercise in a 25.0 m long swimming pool. Jack swims 9 lengths of the pool in 136.1 s…

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Q: You drop a large rock off of a tall cliff from rest. If the rock falls for 4 seconds, calculate the…

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Q: On release 1, a student releases a cart from the top of a ramp, such that the cart travels 160cm…

A: initial velocity = 0 m/s distance (d) = 160 cm = 1.60 m time taken (t) = 4.30 seconds

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –